Hyundai Tucson: Hands Free System / Hands Free Switch Repair procedures

Inspection
1.
Check the handsfree remote control switch for resistance between No.4 and No.5 terminals in each switch position.
[Call + Hang Up]

[Voice]

[Call + Hang Up]
Switch
Connector terminal
Resistance (±5%)
Output voltage (±0.16V)
Call
4-5 (Left)
40.91 kx
2.96V
Hang up
4-5 (Left)
18.91 kx
2.64V

[Voice]
Switch
Connector terminal
Resistance (±5%)
Output voltage (±0.22V)
Voice
4-5 (Right)
10.71 kx
2.29V

Removal
1.
Remove the driver airbag module.
(Refer to the RT group - "Airbag module")
2.
Remove the steering wheel.
(Refer to the ST group - "Steering column and shaft")
3.
Remove the steering wheel rear cover (A) after loosening the screws.

4.
Remove the handsfree remote switch (A) after loosening the screws.

Installation
1.
Install the handsfree remote switch to the steering wheel bezel.
2.
Install the steering wheel and bezel.
3.
Reconnect the handsfree remote control switch connector and airbag connectors.
   
Make sure that the switch connector is plugged in properly.
4.
Install the driver airbag module.
Hands Free Switch Components and Components Location
Component Location ...

Hands Free Mic Repair procedures
Inspection 1. Disconnect the negative(-) battery terminal. 2. Remove the roof trim. (Refer to the BD group - "Roof trim") 3. Remove the hands free mic (A) after loosening the connector an ...

Other information:

Hyundai Tucson (LM) 2010-2015 Owners Manual: Using Voice Recognition
Starting Voice Recognition Shortly press the   key on the steering wheel remote controller Say a command. If prompt feedback is in [ON], then the system will say “Please say a command after the beep (BEEP)” If prompt feedback is in [OFF] mode, then the system will only say “(B ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Components and Components Location
Component Location x Button start type : Front windshield deicer, Rear glass defogger and outside mirror heater functions are joined together one switch.x General key type : Front windshield deicer switch is located in left air vent separately. 1. Windshield deicer relay2. Windshield ...

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